Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

Compensation And Retirement Disclosure [Abstract]

Components of Net Pension Expense

The following information details the components of net pension expense for the Company’s defined benefit plans:

	Three Months Ended						Six Months Ended
	June 30						June 30
	2019			2018			2019			2018
Service cost	$	27.1		$	26.0		$	51.8		$	54.7
Interest on projected benefit obligation		24.3			21.7			48.0			43.0
Expected return on assets		(43.9	)		(44.5	)		(88.5	)		(89.3	)
Amortization of prior service costs		.3			.3			.7			.7
Recognized actuarial loss		5.9			10.1			10.3			17.8
Net pension expense	$	13.7		$	13.6		$	22.3		$	26.9